84262280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20857}}^1$

素因数の和:20969

約数の個数: 32

約数和(自身を含む): 191476440

約数和(自身を除く): 107214160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 20857, 41714, 83428, 104285, 166856, 208570, 417140, 834280, 2106557, 4213114, 8426228, 10532785, 16852456, 21065570, 42131140, 84262280]

約数ペア:

[(1, 84262280), (2, 42131140), (4, 21065570), (5, 16852456), (8, 10532785), (10, 8426228), (20, 4213114), (40, 2106557), (101, 834280), (202, 417140), (404, 208570), (505, 166856), (808, 104285), (1010, 83428), (2020, 41714), (4040, 20857)]